From Longman Dictionary of Contemporary Englishnot just anynot just anyused to emphasize that you are talking about a particular thing or person that is especially good or important For the best results, use olive oil. Not just any olive oil, mind – only the finest quality will do. → just
Examples from the Corpus
not just any• Mr Hellyer was not just any adult.• A., not just any burg.• Which is good because this is not just any old brothel.• And not just any old envelope, but a special luxury brand with a griffin watermark.• But then Tim Robbins is not just any old movie star.• But Starr is not just any prosecutor, and this is not just any case.• But Microsoft was not just any software developer. 